Pollution | 4 | |
Debris / Trash | 1 | |
Death / Die-off / Decline | 1 | |
Extreme Precipitation | 1 | |
Extreme Temperature | 1 | |
Flooding / Draining | 1 | |
Ice / Snow Change | 1 |
2 | 1 | 1 |
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Russia | 2 | |
Canada | 1 | |
United States | 1 |